SPI wiring SDIO pin

Robert Warren's picture

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Joined: Dec 23, 2020

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SPI wiring SDIO pin
December 24, 2020 - 1:00am

I'm connecting an RF transceiver to an N76E003 microcontroller. The N76E003 has 4 SPI pins: SPCLK, MISO, MOSI and SS. The transceiver, on the other hand, has 4 pins for this purpose which are SCLK, SDIO, CSB and FCSB. Since this transceiver doesn’t have two separate pins for data (i.e. MISO and MOSI), I am wondering if it’s possible to somehow wire the MISO and MOSI pins on the uC and the SDIO pin on the transceiver. Does anyone know how I can solve this problem?

I’ll be using the transceiver as the only peripheral for the SPI

Sourav Gupta's picture

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Joined: Feb 12, 2018

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Can you share the partnumber of the transreciver module?

Robert Warren's picture

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Joined: Dec 23, 2020

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It's the CMT2300A by CMOSTEK